Process for preparation of a photographic element

Details Process for preparation of a photographic element Process for preparation of a photographic element

1994-03-21

1995-08-22

Baxter, Janet C.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430576, 430583, 430588, 430592, 430607, 430609, 430614, 430630, G03C 114, G03C 122, G03C 128

Patent

active

054439485

ABSTRACT:
An improved process for manufacturing a spectrally sensitized photographic element comprising the combination of ultrafiltration of silver halide grains in combination with a supersensitizing additive consisting of ##STR1## wherein D.sup.+ is Na.sup.+, K.sup.+, Li.sup.+, NH4.sup.+ ; n is 1-5; m is 1-10.

REFERENCES:
patent: 3208977 (1964-09-01), Schoenthaler et al.
patent: 3529963 (1970-09-01), Marchese
patent: 3647464 (1972-03-01), Smith et al.
patent: 3933507 (1976-01-01), van Konig et al.
patent: 4336328 (1982-06-01), Brown et al.
patent: 5112731 (1992-05-01), Miyasaka

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